Employee Benefit Plans (Tables)

3 Months Ended

Apr. 03, 2015

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs

Components of net periodic pension cost for the Company’s defined and multiemployer pension plans were as follows:

	Three months ended
	April 3, 2015						March 28, 2014
	U.S. Plan			UK Plan			U.S. Plan			UK Plan
	(in thousands)
Service cost	$	20		$	—		$	14		$	—
Interest cost	145			440			140			552
Expected return on assets	(189		)	(392		)	(186		)	(466		)
Recognized actuarial net loss	78			44			2			18
Total defined benefit net periodic pension cost	54			92			(30		)	104
Multiemployer benefit expense	272			—			258			—
Net periodic pension cost	$	326		$	92		$	228		$	104